BUC 202

BUC 202

1. Provide an audio converter and audio line driver that shall support two analog stereo inputs and two stereo outputs, convert between balanced and unbalanced signals, and transmit balanced signals over long distances.
   1. Two channel audio converter and audio line driver for balanced and unbalanced signals
      1. Input Requirements
         1. Shall support two balanced or unbalanced signals on one 5-pole, 3.5 mm captive screw connector
         2. Shall convert unbalanced audio signals to balanced signals, and balanced signals to unbalanced signals
      2. Output Requirements
         1. Shall support two balanced or unbalanced signals on one 5-pole, 3.5 mm captive screw connector
         2. Shall provide a signal-to-noise ratio greater than 100 dB measured at 0 dB gain
         3. Shall provide a THD+N measurement of less than 0.05% measured at 1 kHz, at maximum level
         4. Shall support transmission of balanced audio signals up to 1,000 feet (300 m) through Extron STP20 cable
      3. Front Panel Requirements
         1. Shall provide a green LED for power indication
      4. Rear Panel Requirements
         1. Shall provide two inputs on one 5-pole, 3.5 mm captive screw connector
         2. Shall provide two outputs on one 5-pole, 3.5 mm captive screw connector
         3. Shall provide detented, precision rotary switches for independent, variable gain control on each channel
            1. Shall provide signal level adjustment from -21 dB to +21 dB in 3 dB increments
      5. General Requirements
         1. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
         2. Shall utilize an active circuitry design
         3. Shall be enclosed in a 1U, quarter rack width enclosure
            1. Shall support use of Extron ZipClip™ 200 mounting bracket
         4. Shall meet regulatory compliances
            1. Shall meet safety compliances under CE, c-UL, and UL
            2. Shall meet EMI/EMC compliances under CE, C-tick, FCC Class B, ICES, and VCCI
            3. Shall comply with appropriate requirements of RoHS and WEEE
         5. Shall provide three year parts and labor warranty
   2. Approved device shall be the Extron BUC 202, part number 60-1370-01; no alternates or equals.